Catalina Island Marathon

Avalon, United States • 7 Mar 2026

The Catalina Island Marathon, held annually in Avalon, California, is California’s oldest trail marathon and the State Off-Road Marathon Championship. The event features multiple race distances including a full marathon (26.2 miles), 10K, 5K, and a kids run. Set on scenic Catalina Island just off the coast of Los Angeles, the course offers runners stunning ocean views, rolling green hills, and rugged trails through the Catalina Island Conservancy. This trail marathon provides a unique and challenging experience amidst natural beauty, making it a bucket-list race for trail runners. The event also offers a Triple Crown Challenge combining multiple races for endurance athletes. Visit the organization's website for the most recent information.

Race information

26 mi
Catalina Island Marathon 26.2 Miles
10 km
Catalina Island 10k 6.2 Miles
5 km
Catalina Island 5k 3.1 Miles
Catalina Island Triple Crown Challenge
Kids Run
Visit the organization's website for the most recent information.
Trail runs nearby

The Catalina Island Half-Marathon & 10K is a scenic trail running event held in Avalon, California. The half-marathon covers 13.1 miles, featuring challenging climbs through Catalina Island’s rugged interior, starting past the historic Wrigley Mansion. Runners are rewarded with breathtaking Pacific..